LOANS, ALLOWANCE FOR LOAN LOSSES AND CREDIT QUALITY (Details) - USD ($) $ in Thousands		12 Months Ended
	Nov. 12, 2021	Dec. 31, 2024		Dec. 31, 2023		Dec. 31, 2022		Dec. 31, 2021
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Loss, Writeoff		$ (10,347)		$ (34,782)		$ (2,652)
Financing Receivable, Allowance for Credit Loss, Recovery		1,859		1,335		1,649
Contractual cash flows not expected to be collected
Provision for credit losses		36,250		23,250		6,500
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest		169,984	[1]	142,222	[1]	152,419	[1]	$ 146,922
Commercial And Industrial [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Loss, Writeoff		(5,897)		(23,564)		0
Financing Receivable, Allowance for Credit Loss, Recovery		93		145		49
Contractual cash flows not expected to be collected
Provision for credit losses		287		14,583		13,081
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest		27,800	[1]	33,317	[1]	42,153	[1]	29,023
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Loss, Writeoff		0		(7,855)		(62)
Financing Receivable, Allowance for Credit Loss, Recovery		0		0		333
Contractual cash flows not expected to be collected
Provision for credit losses		32,461		4,724		(5,931)
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest		92,535	[1]	60,074	[1]	63,205	[1]	68,865
Construction Loans [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Loss, Writeoff		0		0		0
Financing Receivable, Allowance for Credit Loss, Recovery		0		0		0
Contractual cash flows not expected to be collected
Provision for credit losses		483		(3,079)		(1,554)
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest		8,166	[1]	7,683	[1]	10,762	[1]	12,316
Small Business [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Loss, Writeoff		(696)		(484)		(196)
Financing Receivable, Allowance for Credit Loss, Recovery		101		92		149
Contractual cash flows not expected to be collected
Provision for credit losses		814		1,521		(627)
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest		4,182	[1]	3,963	[1]	2,834	[1]	3,508
Residential Real Estate [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Loss, Writeoff		0		0		0
Financing Receivable, Allowance for Credit Loss, Recovery		0		0		0
Contractual cash flows not expected to be collected
Provision for credit losses		1,601		2,664		6,489
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest		25,238	[1]	23,637	[1]	20,973	[1]	14,484
Home Equity Line of Credit [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Loss, Writeoff		(380)		(47)		(122)
Financing Receivable, Allowance for Credit Loss, Recovery		343		62		121
Contractual cash flows not expected to be collected
Provision for credit losses		(1,753)		1,278		(6,481)
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest		11,007	[1]	12,797	[1]	11,504	[1]	17,986
Consumer Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Loss, Writeoff		(3,374)		(2,832)		(2,272)
Financing Receivable, Allowance for Credit Loss, Recovery		1,322		1,036		997
Contractual cash flows not expected to be collected
Provision for credit losses		2,357		1,559		1,523
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest		$ 1,056	[1]	$ 751	[1]	$ 988	[1]	$ 740

[1] Balances of accrued interest receivable excluded from amortized cost and the calculation of allowance for credit losses amounted to $55.6 million, $60.2 million, and $50.8 million at December 31, 2024, 2023, and 2022, respectively.